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Weekday AI

UI Engineer

Weekday AI, Poland, New York, United States

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This role is for one of the Weekday's clients

Salary range: Rs 2500000 - Rs 4000000 (ie INR 25-40 LPA)

Min Experience: 6 years

Location: Remote (Poland)

JobType: full-time

We are looking for a highly skilled UI Engineer to build intuitive, high-performance web interfaces that power complex security-focused workflows. In this role, you will work in a fast-paced environment and play a key part in shaping core frontend architecture, driving product experience, and delivering production-ready features from the early weeks of joining. This is an opportunity to influence foundational engineering decisions and contribute to a mission that protects organizations through next-generation security technology.

Soft Skills & Attributes (Must-Have)

Proactive problem-solver with a systems-thinking approach

Adaptable, fast learner comfortable with evolving requirements

Clear communicator across technical and business stakeholders

Thrives in ambiguity and rapid iteration environments

Strong attention to detail with a security-first mindset

Role Objective Hire an experienced frontend engineer with deep knowledge of modern React development, TypeScript, and scalable SPA architecture. The ideal candidate understands UX best practices, real-time data handling, and can own critical UI decisions as the product grows.

Key Responsibilities Frontend Engineering

Build and scale a modern React/TypeScript SPA using Vite for enterprise-grade applications

Implement responsive and accessible UI components supporting complex user workflows and data visualization

Develop reusable component libraries and design systems that scale across product areas

Optimize frontend performance, bundle size, and Core Web Vitals metrics

API Integration & Collaboration

Integrate with backend services through reliable API patterns and structured data contracts

Work closely with backend teams to define service interfaces and real-time state management strategies

Implement offline-first behaviors, error handling, and resilient UX patterns

Architecture & Engineering Standards

Contribute to frontend architecture and tooling direction

Establish testing strategies using Playwright, Jest, and React Testing Library

Ensure high code standards through TypeScript best practices, linting, and reviews

Contribute to documentation and workflow improvements

Required Experience

3+ years of professional React development using hooks and modern component patterns

2+ years of production experience with TypeScript

Experience building and deploying modern SPAs with Vite or comparable tooling

Required Technical Skills

React 18+, TypeScript, functional components, hooks

State management:

Redux Toolkit, Zustand, React Query/TanStack Query

Build tools:

Vite, Webpack, ESBuild

Testing:

Playwright, Jest, React Testing Library

Styling:

CSS-in-JS, Styled Components, Tailwind CSS, or modern CSS frameworks

Dev tools:

Git, browser DevTools, performance profiling

Nice to Have

Basic familiarity with Python for backend collaboration

Experience with real-time data visualization (D3.js, Chart.js, etc.)

Exposure to security or enterprise-scale applications

Accessibility and inclusive design principles (WCAG 2.1)

Cloud/DevOps exposure (Docker/Kubernetes, AWS/GCP/Azure)

Why This Role Is Exciting You will work at the intersection of security, performance, and modern UI development—building interfaces used to defend organizations from real threats. As an early team member, your contributions will directly influence technical direction, product experience, and engineering culture.

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